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Mailing Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199 18006372929
MFS SERIES TRUST X CIK#: 0000783740 (see all company filings)

State location: MA | State of Inc.: MA | Fiscal Year End: 1130
formerly: MFS GOVERNMENT MORTGAGE FUND (filings through 1995-09-29)
Class/Contract: C000098546 C 
Ticker Symbol:   MRNCX
(List all Funds and Classes/Contracts for MFS SERIES TRUST X)

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Items 1 - 40  0000783740 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-18-260025 (40 Act)  Size: 1 MB
2018-08-28 811-04492
181040695
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001193125-18-250431 (33 Act)  Size: 64 KB
2018-08-16 033-01657
181022735
NSAR-B  Documents Annual report for management companies
Acc-no: 0000912938-18-000588 (40 Act)  Size: 110 KB
2018-07-30 811-04492
18977619
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0001193125-18-120856 (40 Act)  Size: 3 MB
2018-04-18 811-04492
18760906
497  Documents Definitive materials
Acc-no: 0000912938-18-000446 (33 Act)  Size: 129 KB
2018-03-29 033-01657
18720686
497  Documents Definitive materials
Acc-no: 0000912938-18-000422 (33 Act)  Size: 386 KB
2018-03-01 033-01657
18654862
NSAR-A  Documents Semi-annual report for management companies
Acc-no: 0000912938-18-000036 (40 Act)  Size: 98 KB
2018-01-26 811-04492
18550666
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001193125-18-018120 (40 Act)  Size: 13 MB
2018-01-24 811-04492
18544429
497  Documents Definitive materials
Acc-no: 0000912938-17-000654 (33 Act)  Size: 152 KB
2017-12-29 033-01657
171279902
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000912938-17-000624 (33 Act)  Size: 299 KB
2017-12-07 033-01657
171244912
497  Documents Definitive materials
Acc-no: 0000912938-17-000621 (33 Act)  Size: 115 KB
2017-12-07 033-01657
171244881
497  Documents Definitive materials
Acc-no: 0000912938-17-000588 (33 Act)  Size: 206 KB
2017-11-13 033-01657
171193602
497  Documents Definitive materials
Acc-no: 0000912938-17-000585 (33 Act)  Size: 222 KB
2017-11-13 033-01657
171193581
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0001193125-17-320992 (40 Act)  Size: 3 MB
2017-10-26 811-04492
171155907
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-17-062850 (33 Act)  Size: 13 MB
2017-10-19 033-01657
171143712
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-17-062850 (40 Act)  Size: 13 MB
2017-10-19 811-04492
171143713
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-17-000542 (33 Act)  Size: 121 KB
2017-10-03 033-01657
171116356
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-17-059087 (33 Act)  Size: 233 KB
2017-09-27 033-01657
171103331
485BPOS  Documents Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-17-059046 (40 Act)  Size: 24 MB
2017-09-27 811-04492
171103272
485BPOS  Documents Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-17-059046 (33 Act)  Size: 24 MB
2017-09-27 033-01657
171103271
497  Documents Definitive materials
Acc-no: 0000912938-17-000506 (33 Act)  Size: 139 KB
2017-08-28 033-01657
171053272
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-17-269785 (40 Act)  Size: 1 MB
2017-08-28 811-04492
171053626
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001193125-17-265455 (33 Act)  Size: 62 KB
2017-08-23 033-01657
171046720
NSAR-B  Documents Annual report for management companies
Acc-no: 0000912938-17-000461 (40 Act)  Size: 118 KB
2017-07-28 811-04492
17988221
497  Documents Definitive materials
Acc-no: 0000912938-17-000460 (33 Act)  Size: 194 KB
2017-07-28 033-01657
17988079
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001193125-17-239762 (40 Act)  Size: 15 MB
2017-07-28 811-04492
17988439
497  Documents Definitive materials
Acc-no: 0000912938-17-000413 (33 Act)  Size: 150 KB
2017-06-28 033-01657
17933990
NSAR-A  Documents Semi-annual report for management companies
Acc-no: 0000912938-17-000427 (40 Act)  Size: 32 KB
2017-06-28 811-04492
17934636
497  Documents Definitive materials
Acc-no: 0000912938-17-000421 (33 Act)  Size: 195 KB
2017-06-28 033-01657
17934053
497  Documents Definitive materials
Acc-no: 0000912938-17-000410 (33 Act)  Size: 170 KB
2017-06-28 033-01657
17933971
497  Documents   Interactive Data Definitive materials
Acc-no: 0001104659-17-027424 (33 Act)  Size: 2 MB
2017-04-28 033-01657
17792196
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0001193125-17-134683 (40 Act)  Size: 3 MB
2017-04-24 811-04492
17778577
497  Documents Definitive materials
Acc-no: 0001104659-17-022392 (33 Act)  Size: 123 KB
2017-04-10 033-01657
17751844
497  Documents Definitive materials
Acc-no: 0001104659-17-022393 (33 Act)  Size: 121 KB
2017-04-10 033-01657
17751867
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-17-022578 (33 Act)  Size: 12 KB
2017-04-10 033-01657
17753834
497  Documents Definitive materials
Acc-no: 0001104659-17-022396 (33 Act)  Size: 396 KB
2017-04-10 033-01657
17751886
497  Documents Definitive materials
Acc-no: 0001104659-17-022114 (33 Act)  Size: 82 KB
2017-04-07 033-01657
17747782
497  Documents Definitive materials
Acc-no: 0000912938-17-000270 (33 Act)  Size: 157 KB
2017-03-30 033-01657
17723884
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-17-027534 (34 Act)  Size: 177 KB
2017-02-01 811-04492
17565457
497  Documents Definitive materials
Acc-no: 0000912938-17-000058 (33 Act)  Size: 92 KB
2017-02-01 033-01657
17563851